package com.tanhua.recommend.listener;

import com.alibaba.fastjson.JSON;
import com.tanhua.model.mongo.VideoScore;
import org.bson.types.ObjectId;
import org.springframework.amqp.core.ExchangeTypes;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.stereotype.Component;

import java.util.Map;

/**
 * @program: tanhua
 * @description:
 * @author: MR.peng
 * @create: 2022-04-03 13:30
 **/
@Component
public class VideoListener {


    @Autowired
    private MongoTemplate mongoTemplate;

    @RabbitListener(
            bindings = @QueueBinding(
                    value =  @Queue(
                            value = "tanhua.log.video"
                    ),
                    exchange = @Exchange(
                            value ="tanhua.log.exchange",
                            type = ExchangeTypes.TOPIC
                    ),
                    key = "log.video"
            )
    )
    public void listener(String message ) {
        System.out.println("获取到视频日志消息" + message);
        //1.解析数据
        //1、将json转化为map集合
        Map<String, String> map = JSON.parseObject(message, Map.class);
        //2、提取属性
        String strm = (String) map.get("userId");
        Long userId = Long.valueOf(strm);
        String type = (String) map.get("type");
        String busId = (String) map.get("busId"); //业务id
        //2.构造VideoScore
        VideoScore vs = new VideoScore();
        vs.setUserId(userId);
        vs.setScore(getScore(type));
        vs.setVideoId(new ObjectId(busId));
        vs.setDate(System.currentTimeMillis());

        //3.保存
        mongoTemplate.save(vs);
    }

        private static Double getScore(String type) {
            //0301为发小视频，0302为小视频点赞，0303为小视频取消点赞，0304为小视频评论
            Double score = 0d;
            switch (type) {
                case "0301":
                    score=2d;
                    break;
                case "0302":
                    score=5d;
                    break;
                case "0303":
                    score = -5d;
                    break;
                case "0304":
                    score = 10d;
                    break;
                default:
                    break;
            }
            return score;
        }
}
